Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LUM MERCY MAXIMUANGU NP
NPI 1942540083
Nurse Practitioner - Acute Care in Silver Spring, MD

Active since February 27, 2013PECOS Enrolled
11223 LOCKWOOD DR, SILVER SPRING, MD 20901(240) 604-2949(410) 609-5551 Get Directions Write a Review

NPPES record last updated: October 22, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Lum Mercy Maximuangu Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LUM MERCY MAXIMUANGU NP (NPI 1942540083) is an individual acute care provider in Silver Spring, Maryland, licensed in Delaware (0000123) and active in the NPI registry since February 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1942540083
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameLUM MERCY MAXIMUANGUCredential: NP
Location Address11223 LOCKWOOD DRSilver Spring, MD 20901-4554
Mailing Address11223 Lockwood DrSilver Spring, MD 20901-4554 · (240) 604-2949 · Fax (410) 609-5551
Fax(410) 609-5551
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateFebruary 27, 2013
Last NPPES UpdateOctober 22, 2026
NPPES CertifiedOctober 22, 2026
✔ NPI 1942540083 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
Licenses✔ Licensed in DE · 0000123✔ Licensed in MD · R150156
11223 LOCKWOOD DR, Silver Spring, MD 20901

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lum Mercy Maximuangu Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID941597744
PECOS Enrollment IDI20160922000349
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Lum Maximuangu reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Addiction Medicine
40 S DUNDALK AVE STE 400
Dundalk, MD 21222
  • Reassigned Medicare billing, Maryland enrollment
  • 49 clinicians in this Medicare group
Pain
7801 YORK RD STE 100
Towson, MD 21204
  • Reassigned Medicare billing, Maryland enrollment
  • 5 clinicians in this Medicare group
Internal Medicine
8901 CLEMENT AVE
Baltimore, MD 21234
  • Reassigned Medicare billing, Maryland enrollment
  • Medicare enrollment name: Maryland Medical First PA
  • 77 clinicians in this Medicare group
Interventional Pain Medicine
450 GARRISONVILLE RD STE 109
Stafford, VA 22554
  • Reassigned Medicare billing, Maryland enrollment
  • 8 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Primary Care)
11223 LOCKWOOD DR
SILVER SPRING, MD 20901
Clinic/Center (Primary Care)
11223 LOCKWOOD DR
SILVER SPRING, MD 20901
Nurse Practitioner (Family)
11223 LOCKWOOD DR
SILVER SPRING, MD 20901
Nurse Practitioner (Primary Care)
11223 LOCKWOOD DR
SILVER SPRING, MD 20901

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lum Maximuangu's NPI number?

The NPI number for Lum Maximuangu is 1942540083. It was assigned to this individual provider in the NPPES registry on February 27, 2013.

Where is Lum Maximuangu located?

Lum Maximuangu practices at 11223 Lockwood Dr, Silver Spring, MD 20901. The listed phone number is (240) 604-2949.

What is Lum Maximuangu's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Lum Maximuangu enrolled in Medicare?

Yes. Lum Maximuangu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Lum Maximuangu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lum Maximuangu reassigns Medicare benefits to 4 organizations: Matclinic Physicians Practice Group LLC (Dundalk, MD), Ideal Pain Management, LLC (Towson, MD), Maryland Medical First P.A. (Baltimore, MD) and Advanced Spine And Pain Centers, PLLC (Stafford, VA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lum Maximuangu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lum Maximuangu was last updated on October 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.